Installing A Dimm - HP Pavilion xl900 - Desktop PC Service Manual

Installing a DIMM

1 Turn off the computer and all peripherals.
2 Disconnect the modem/phone cable.
3 Disconnect the power cord and all other
attached cables (such as the keyboard, mouse,
and monitor).
4 Remove the side panel (see "Removing the
Side Panel" on page 34).
5 If necessary to reach the DIMM socket, slide
the drive cage out (see "Sliding the Drive
Cage In and Out" on page 35).
6 Gently lay the computer on its side.
7 If necessary to reach the DIMM socket, open
the back panel door (see "Opening the Back
Panel Door" on page 37).
8 Locate the DIMM sockets on the motherboard.
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Note:
If all of the DIMM sockets are filled, you need to
remove one of the DIMMs (see "Removing a
DIMM" on page 42).
9 Move any cabling out of the way, if necessary.
10 Push down on the two retaining clips on the
ends of the DIMM socket.
11 Holding the new DIMM by its edges only,
remove it from the antistatic packaging. (Avoid
touching the memory chips or the gold
contacts on the DIMM.) The DIMM has two
small notches on the lower edge that fit into
raised bumps in the DIMM socket.
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